あと何日? vs Sunset Hiker
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
あと何日?
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【概要】 本アプリは、日程管理を見える化し、「手軽に!」「シンプルに!」をコンセプトに提供しております。 【主な機能】 ・目標日程までの残り時間が手軽に表示できる! ・センター試験以外にもタイマーを作成&編集可能! ・時間がきたら通知でお知らせ! なるべくシンプルに作り、使いやすさを重視しました! 忙しい皆様が手軽に使えるよう、今後もご要望にお答えしていきたいと思います。 ご要望などあれば、どんどんお知らせください! 【本アプリケーションについて】 ○ 対応機種 : iOS 11.0〜 # アイコン製作者: flaticon
Sunset Hiker
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"How many minutes until it gets dark?" Eliminate that anxiety from your hike. Sunset Hiker is a hiking watch app that automatically calculates accurate sunset times and remaining daylight based on your GPS location—even deep in the mountains with no signal. The "time remaining until sunset" is visualized in color on the clock face, allowing you to instantly judge when to descend and manage your pace. 【Key Features】 ■ Beautiful Design: A glass-like, transparent UI designed not to obstruct the breathtaking mountain scenery. ■ Intuitive Visibility: Color coding allows you to grasp the remaining time until sunset at a glance. ■ Advanced Calculation: Automatically calculates accurate sunset times based on GPS location—fully functional even offline. 【A Message from the Developer】 Have you ever been surprised by how quickly the sun sets in the mountains? That sudden moment of anxiety during a hike: "How many minutes until it gets dark?" I developed this app to eliminate that worry. I hope this app becomes a trusted partner for your safe hiking adventures. 【Important Notes】 *Sunset times are calculated based on your current latitude, longitude, and date. Please note that terrain features such as mountain shadows are not taken into account. Always plan with a margin of safety.
Screenshots
Verdict
The clearest difference is in-app purchases: Sunset Hiker at none against あと何日?'s 4. Sunset Hiker also leads on ads (none vs shown) and update cadence (every 4 days vs monthly). あと何日?'s advantage is iOS requirement (15.6 vs 17.0). On price and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. あと何日? sells 4 one-off in-app purchases. Sunset Hiker asks for nothing beyond the download.
あと何日? ships an update monthly, Sunset Hiker every 4 days. The most recent releases landed on October 14, 2026 and October 29, 2026 respectively.
| Parameter | あと何日? | Sunset Hiker |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Positive reviews | 64.7% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Monthly | Every 4 days — better |
| Ads | Yes | No — better |
| In-app purchases | Yes | No — better |
| Devices | iPhone, iPod — better | iPhone |
| Requires iOS | 15.6 — better | 17.0 |
| Further details — not scored | ||
| Size | 61 MB | 6 MB |
| Age rating | 4+ | +4 |
| Developer | hidehiko aihara | Kota Miura |
In-app purchases
あと何日?
- Coffee (Regular)$0.49
- 開発者応援募金$1.99
- Coffee (Large)$1.99
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- Cake Set$5.99
Sunset Hiker
No in-app purchases






